Heavy Rain and Severe Thunderstorms in the Southwest; Coastal Flooding Along Portions of the Eastern Seaboard

A slow moving front will produce a threat for heavy rainfall and severe weather from the southwest into the western High Plains through the weekend. Heavy rainfall and isolated flash flooding and gusty winds will be possible this weekend into early next week in portions of southern Florida. Coastal flooding impacts remain possible through the weekend along the Southeast and Mid-Atlantic coasts Read More >

Last Update: 616 AM EDT Fri Oct 23 2026

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Key West, FL Local Forecast Office

5NM E Vaca Cut FL

Marine Zone Forecast


Today
Northeast winds 15 to 20 knots, decreasing to near 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming a moderate chop. A chance of showers.
Tonight
Northeast winds increasing to near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 3 to 5 feet, occasionally to 6 feet west of cosgrove shoal light. Nearshore waters becoming rough. A chance of showers with a slight chance of thunderstorms.
Saturday
Northeast winds near 20 knots, decreasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 5 feet, occasionally to 6 feet west of cosgrove shoal light. nearshore waters rough, becoming choppy. A chance of showers with a slight chance of thunderstorms.
Saturday Night
North to northeast winds near 20 knots, decreasing to 15 to 20 knots. Seas 2 to 3 feet, except 4 to 5 feet, occasionally to 6 feet west of cosgrove shoal light. nearshore waters rough, becoming choppy. A chance of showers with a slight chance of thunderstorms.
Sunday
North to northeast winds 15 to 20 knots. Seas 2 to 3 feet, except 4 to 5 feet, occasionally to 6 feet west of cosgrove shoal light. Nearshore waters choppy. A chance of showers with a slight chance of thunderstorms.
Sunday Night
North to northeast winds increasing to 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, except building to 5 to 7 feet, occasionally to 9 feet west of cosgrove shoal light. Nearshore waters becoming very rough. A chance of showers with a slight chance of thunderstorms.
Monday
North to northeast winds 20 to 25 knots, increasing to near 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 7 feet, occasionally to 9 feet west of cosgrove shoal light. nearshore waters very rough, becoming extremely rough. A chance of showers with a slight chance of thunderstorms.
Monday Night
North to northeast winds 25 to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 8 feet, occasionally to 10 feet west of cosgrove shoal light. Nearshore waters extremely rough. A slight chance of showers and thunderstorms.
Tuesday
North to northeast winds 25 to 30 knots, decreasing to near 25 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 7 feet, occasionally to 9 feet west of cosgrove shoal light. Nearshore waters extremely rough. A slight chance of showers and thunderstorms.
Tuesday Night
North to northeast winds near 25 knots, decreasing to 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, except subsiding to 4 to 6 feet, occasionally to 8 feet west of cosgrove shoal light. Nearshore waters extremely rough, becoming very rough. A slight chance of showers and thunderstorms.



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616 AM EDT Fri Oct 23 2026
 
 

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